Tire tread



FIG. 1 is a perspective view of a tire tread taken from the front, top and right side, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is a side elevation view thereof; and,

FIG. 3 is a front elevation view thereof.

The portions of the figures presented in dotted lines show environmental structure that forms no part of the claimed design. 

CLAIM We claim the ornamental design for a tire tread, as shown and described. 